Burner



March 24, 1936. A. J. wHlTcoMB E1- AL BURNER Filed March 19, 1932 Patented Mar. 24, 1936 vUNITED STATES BURNER Arthur J. Whitcomb and Charles G. Bigelow,

Chicago, lll., assignors to Freyn Engineering Company, Chicago, Ill., a corporation of Maine Application March 19, 1932, Serial No. 599,904 6 Claims. (Cl. 158-109) 'Ihe present invention relates to burners and more in particular to means for causing an admixture of combustible uids used in conjunction therewith.

Among the objects of the present invention is to provide novel means 'in a pressure burner adapted to eiect an admixture of uids prior to their entrance into a combustion chamber thereof.

Another object of the present invention is to provide novel means including spaced conduits for the passage of fluids therethrough, having novel means associated therewith for deecting fluid from one of the conduits into the other.

More particularly, the invention contemplates the idea of providing novel means associated with one of the conduits for deecting a portion of the fluid passing through one of the conduits into the other conduit to thereby cause an admixing of these fluids prior to-their entry into the combustion chamber of the pressure burner.

The present invention comprehends the idea of providing coaxially arranged nozzles adapted to be used in conjunction with a combustion chamber of a pressure burner, one of these nozzles being formed with openings communicating with the other of the nozzles and with which means is provided for deiiecting uid from one of the nozzles into the other.

More particularly, the present invention contemplates the idea of providing one of these concentrically arranged nozzles with openings formed by struck-out portions which extend laterally of the nozzle for deecting uid passing through one of the nozzles into the other of the nozzles.

Another object within the purview of the present invention is to provide a nozzle in which the openings are formed with struck-out portions adapted to be bent into various lateral positions to thereby adjust or regulate the quantities of i'luid being deflected from one of the nozzles into the other.

Other objects, features, capabilities and advantages are comprehended by the invention, as will later appear and as are inherently possessed thereby.

Referring to the drawing:

Figure l is a fragmentary view in vertical cross section of an embodiment made in accordance with the present invention; and v Figure 2 is a fragmentary view in side elevation with parts broken away to disclose more in detail an alternative construction for a nozzle made in accordance with the present invention.

a shaft Referring now more in detail to thev drawing, an embodiment of the present invention is disclosed in connection with a pressure burner provided with a combustion chamber which is formed with an inlet I, means generally referred 5 toby the numeral 2 being shown' in association with this pressure burner for directing a combustible mixture of fluids or gases' through the inlet I and into the combustion chamber. Such means is disclosed as comprising an outer nozzle 10 or conduit 4 and an inner nozzle or conduit 6, the outer nozzle 4 being in communication, by means of suitable valve mechanism and conduit generally referred to as 8, with a source of gas or some other combustible fluid. The valve' 15 means for controlling the flow of this combustible fluid through the nozzle 4 is controlled by way of suitable mechanism, generally referred to as I0.

The innermost nozzle 6 is substantially frusto- 20 conical in shape and communicates with a conduit I2 protruding through a closure member I4 removably secured to the outer nozzle 4, this conduit I2 being further supported upon the supports I6 associated with a suitable founda- 25 tion I8. The conduit I2 communicates with a blower unit or mechanism adapted to supply a uid, such as air, under pressure to the nozzle 6. As clearly shown in the drawing, the outer nozzle includes a stationary tubular member 5 30 mounted, as by means of supporting members 1, upon the foundation I8, and having its end normally in spaced relation to the inlet I and a slidable sleeve 9 movable relative to the member 5 into association with the'inlet I. The outer 35 sleeve 9 for the nozzle 4 may be readily moved into association with the inlet I as by means of a rack 22 meshing with a gear 24 mounted upon 26 which may be readily rotated as by means of a hand wheel 28 so that the nozzle 4 m is in direct communication with the combustion chamber by way of the inlet I.

The present invention is primarily concerned with the construction of the innermost nozzle 6, whereby fluid passing through either the nozzle 6 45 or nozzle 4 may be deflected into the other of the nozzles. In Figure 1 of the drawing, this nozzle 6 is shown as being preferably formed of heavy gauge sheet metal provided with a plurality of struck-out portions 30 to provide a plurality of 50 openings 32 adjacent the larger end of the nozzle 6 whereby uid passing through the nozzle 4 may be deflected through the openings 32 and into the passageway of the nozzle 6. As clearly shown in this iigure, these struck-out portions 30 extend 55 laterally and outwardly into the nozzle 4 and are inclined or angularly disposed in relation to the longitudinal axis of this nozzle 6 whereby this deflection of the fluid from the nozzle 4 may be effected. As will be readily appreciated, these struck-out portions 30 may be bent as desired into any angular position in respect to the longitudinal axis of the nozzle 6 for varying the quantity of fluid which is to be deflected from the outer nozzle 4 into the nozzle 6. It will alsobe clearly apparent that fluids passing through the nozzles 4 and 6 are premixed prior to their entry into the combustion chamber of the pressure burner, thereby resulting in smoother combustion as well as resulting in a shorter gas flame.

In Figure 2 of the drawing, the nozzle\34, which may be used in conjunction with the nozzle 4 in the same manner as previously described, is of substantially the same shape and construction as the nozzle 6 and is formed with a plurality of struck-out portions 36 which may be bent inwardly as shown to provide a plurality of openings 38, the inward and angular disposition of these struckout portions 36 causing a deflection of the :duid

passing through the nozzle 34 into an outer or concentrically arranged nozzle corresponding to the nozzle 4. As in the previously described embodiment, the nozzle 34 may be formed of heavy gauge sheet metal and the struck-out portions 36 may be provided adjacent the large end thereof, and may be bent into any desired position for controlling or adjusting the amount of fluid which is to be deflected from the nozzle 34 through the openings 38v and into the outer concentrically arranged nozzle.

While we have herein described and upon the drawing shown an illustrative embodiment of the invention, it is to be understood that the invention is not limited thereto but may comprehend other constructions, arrangements of parts, details and features without departing from the spirit of the invention. 4

1. In a pressure burner or the like, the combination-of a combustion chamber, nozzles communieating therewith forpassage of fluids, one of said nozzles enclosing the other, the innermost of said nozzles being provided withopenings, and deflecting means extending from said last named nozzle at said openings toward the fluid entering ends of said nozzles for deiiecting fluid from one of' said nozzles into the other whereby said fluids are mixed prior to entry 4thereof into said chamber, said means being adjustable inwardly and outwardly of their corresponding nozzle for adjusting flow of uid selectably from one nozzle to the other.

2. In a pressure burner or the like, the combination of a combustion chamber, nozzles communieating therewith for passage of fluids, one of said nozzles enclosing the other, the innermost of said nozzles having struck-out portions providing openings, said portions being adapted to be bent laterally into any desired position toward the fluid entering ends of said nozzles, either inwardly or outwardly of said innermost nozzle for deflecting fluid selectably from either of said nozzles into the other.

3. In a pressure burner or the like, the combination of a combustion chamber, coaxially arranged nozzles communicating therewith for passage of fluids, the innermost of said nozzles being substantially frusta-conical in shape and having openings adjacent to the larger end thereof, and deflecting means extending from said last named nozzle at said openings toward the fluid lentering ends of said nozzles for deflecting fluid from one of said nozzles into the other whereby said fluids gre mixed prior toentry thereof into said chamer. y 4. In a pressure burner or the like, the combination of a combustion chamber, coaxially arranged nozzles communicating therewith for passage of uids, the innermost of said nozzles being substantially frusta-conical in shape and having openings adjacent to the larger end thereof, and deflecting means extending from said last named nozzle at said openings toward the fluid entering ends of said nozzles for deecting fluid from one of said nozzles into the other whereby said fluids are mixed prior to entry thereof into said chamb er, said means being adjustable for adjusting flow of fluid from one nozzle to the other. y 5. In a pressure burner or the like, the combination of a combustion chamber, coaxially arranged nozzles communicating therewith for passage of fluids, the innermost of said nozzles being substantially truste-conical in shape and having openings adjacent to the larger end thereof, said last named nozzle having members extending laterally therefrom and adjacent said openings toward the fluid entering ends of said nozzles for deflecting fluid from one of said nozzles into thev other whereby said uids are mixed prior to entry thereof into said chamber.

6'. In a pressure burner or the like, the combination of a combustion chamber, coaxially arranged nozzles communicating therewith for passage of fluids, the innermost of said nozzles being substantially frusto-conical in shape and having openings adjacent to the'larger end thereof, said last named nozzle having struck-out portions providing openings, said portions being adapted to be bent laterally into any desired position toward the fluid entering ends of said nozzles for deflecting fluid from one of said nozzles into the other whereby said fluids are mixed prior to entry thereof into said chamber.

ARTHUR J. WHITCOMB. CHARLES G. BIGELOW. 

